{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Disease", "Chemical"], "input": "In conclusion , the evaluation of time - to - onset of symptoms and the severity of neurodegenerative processes induced by the tacrine - lithium model of epilepsy in the rat , could be used to evaluate preliminarily the capability of a drug delivery system to trespass ( or not ) the BBB in vivo ."}
{"Disease": ["epilepsy"], "Chemical": ["tacrine", "lithium"]}